Dedicated models (E64E30SS, E64E36SS, E64E42SS, E64E48SS) for use with external blower options-choice of eight, from 280-1500 CFM. (Blowers sold separately.), Designed to work with Broan automatic make-up air dampers, Brushed stainless steel finish, Designed to duct out of the hood shell in either horizontal or vertical direction with internal blowers. External blowers duct vertically, 1290 Max Blower CFM internal blower is included on model (E6448TSS), Bright halogen lighting; Two 50-watt bulbs, sold separately, 10" under-cabinet design, Pro-style, dishwasher-safe baffle filters with removable grease drip rail, Variable speed control remembers last setting-blue power-on indicator light: Heat Sentry(R) detects excessive heat and adjusts blower speed automatically